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| DOI: | 10.1094/CM-2002-0927-01-RS |
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| Web URL(s): | https://dl.sciencesocieties.org/publications/cm/articles/1/1/2002-0927-01-RS
Last checked: 01/29/2016
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/cm/pdfs/1/1/2002-0927-01-RS
Last checked: 01/29/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Blount, Ann R.;
Dankers, Hank;
Momol, M. Timur;
Kucharek, Thomas A. |
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| Author Affiliation: | Blount, Dankers, and Momol: North Florida Research and Education Center; Kucharek: Department of Plant Pathology, University of Florida, Gainesville, FL |
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| Title: | Severe dollar spot fungus on bahiagrass in Florida |
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| Source: | Crop Management. September 27 2002, p. [1-4]. |
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| Publishing Information: | St. Paul, MN: Plant Management Network International |
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| # of Pages: | 4 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/cm/abstracts/1/1/2002-0927-01-RS
Last checked: 01/29/2016
Notes: Abstract only |
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| Keywords: | TIC Keywords: Dollar spot; Sclerotinia homoeocarpa; Disease susceptibility; Paspalum notatum; Drought; Precipitation; Temperatures; Humidity; Environmental factors
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| Cultivar Names: | Pensacola; Tifton 9; Argentine |
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| Geographic Terms: | Florida |
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| Abstract/Contents: | "Cultivar susceptibility to dollar spot fungus (Sclerotinia homoeocarpa F.T. Benn) and environmental stresses during 2001 and early 2002 may have contributed to the general susceptibility of several cultivars of bahiagrass to an outbreak of dollar spot in the Florida Panhandle. Several cultivars of bahiagrass, 'Pensacola' and 'Tifton 9' (Paspalum notatum Flugge var. saure Parodi, diploid, 2n = 2x), and 'Argentine' (P. notatum Flugge, tetraploid, 2n = 4x) make up the majority of the bahiagrass acreage planted in Florida. Severe cases of a disease in Tifton 9 bahiagrass pastures in Jackson and Walton counties, located in northern Florida, resulted in the decline of those pastures. The remaining plants were estimated at less than 5% survival from the original plant stand. Several Pensacola bahiagrass pastures across northern Florida were also heavily damaged by dollar spot, and although stand reduction did not occur, estimates of foliage damage ranged from 15 to 75% leaf tissue death in several counties. In a replicated cultivar trial during 2001 and 2002 at the North Florida Research and Education Center (NFREC), disease severity, under natural field infection, showed Argentine bahiagrass was considerably less susceptible (P < 0.05) to dollar spot in 2001, averaging 15% leaf tissue being damaged compared to Tifton 9 or Pensacola bahiagrass, which had 45% leaf tissue damage (similar results were obtained in 2002). Severe drought conditions followed by heavy rains and warm, humid conditions were most likely contributing factors in the outbreaks that occurred in Florida in 2001." |
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| Language: | English |
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| References: | 5 |
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| See Also: | Other items relating to: Disasters - Drought |
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| Note: | Pictures, color
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Blount, A. R., H. Dankers, M. T. Momol, and T. A. Kucharek. 2002. Severe dollar spot fungus on bahiagrass in Florida. Crop Manage. p. [1-4]. |
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| DOI: 10.1094/CM-2002-0927-01-RS |
| Web URL(s):
https://dl.sciencesocieties.org/publications/cm/articles/1/1/2002-0927-01-RS
Last checked: 01/29/2016
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/cm/pdfs/1/1/2002-0927-01-RS
Last checked: 01/29/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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